Used as a noun or in compounds to describe stealth technology, especially in military contexts, or more broadly for anything designed to be inconspicuous.
最新の戦闘機はステルス性能が高い。
The latest fighter jet has high stealth capability.
このアプリはステルスモードで動作する。
This app operates in stealth mode.
This drone has high stealth capability.
He carried out his job search stealthily, without anyone noticing.
They switched the fighter jet into stealth mode to evade the enemy's radar.